William a



(No Model.)

W. A. BOYDEN. DUST PROTECTOR FOR RAILWAY CARS.

Patented Aug. 8, 1882.

N 0 H R Inveno 7' 4 2 QZZZZ% mfnesses: W0 6 may? I lJNiTE STATES Y PATENT OFFICE.

WILLIAM A. BOYDEN, or JERSEY CITY, NEW JERSEY, ASSIGNOR TO THE MoNAB & HARLIN MANUFACTURING-COMPANY, OF NEW YORK, n. Y.

DUST-PROTECTOR FOR RAI LWAY-CARS.

i SPECIFICATION forming part of Letters Patent No. 262,274, dated August 8, 1882.

Application filed November 30, 1881. (No model.)

To all whom it may concern: with each side of the car on the outer side Be it known that I, WILLIAM A. BOYDEN, thereof. It is composed of posts or panels a, of Jersey City, in the countyof Hudson and which are at a distance, say, of two or three State of New Jersey, have invented an Iminches (more or less) from the panels on the proved Dust-Protector for Railway-Oars, of outer side thereof, and which, at their upper 5 5 Y which the following is a specification. and lower ends, are in suitable -manner con- Figure 1 is a side view of a railway-car havnected with the body of the car. Preferably ing my improved dust protector. Fig. 2 is at these posts or panels a are at their lower and cross-section thereof, taken through the line upper ends united by angle-irons or boards b of the windows of the car; and Fig. 3, a horiand d, which join them to the body of the car. 60 zontal section thereof, taken also through the As an ordinary railway-car moves through line of the windows. the air its tendency is to throw the outer air Railway-cars are liable to admit large quan- 011' its sides; but by my invention the aircurtities of dust and'smoke to theinterior thereof, rents are held parallel with the direction in much to the annoyance of the occupants. Inwhich the car moves, as indicated by the ar- 65 ventors have endeavored to obviate this diffirows 1 and 2 in Fig. 3, the arrow 1 showing culty, and dust-protectors of various kinds the direction of the car and the arrow 2 the have been devised. Projecting shields or direction of the air that passes by the car. In hoods that extended from the outer face of other words, the panels or posts a, being placed the car have thus far been usually resorted to. at a distance from the sides of the car, parallel 70 The object of this invention is to devise a therewith, or substantially parallel therewith,

} more effective means of excluding dust and deflect the air and prevent it from leaving the smoke than that obtainable from the use of sides of the car, holding it parallel therewith, laterally-projecting shields orhoods. No proand causing thereby a powerful current of air vision is made where such shields or hoods to pass alongside of the car, which current of 75 are used for giving direction to the currents air in ordinary cases is of sufficient power to of dust and smoke other than that which they prevent any dust or smoke from entering do have on approaching the side of a car. My through the windows. invention gives direction to such currents of The panels or posts a are shown to be rig- 0 dust or smoke and prevents them from enteridly attached; but they may be pivoted so as 80 ing at the windows. to be swung on their vertical pivots to pro- My invention consists in supplying the car duce more or less flaring tunnels, into which with an outer wall, which has openings in the above-mentioned currents of air are reline with the windows, thereby producing an ceived, and from each of which they are dis- 5 air-channel open at both ends along each side charged into that next behind. 85 of the car. In this air-channel a powerful The front panel of the car may be united current will be created in direction opposite with a traversing sieve, e, which will prevent to that in which the car is moved, said current any dust or cinders from accompanying the serving to carry with it, it not to refract or air-current that travels in the-channels which repel, dust and smoke that may approach it. are produced by said posts or panels a. 0

The said outer wall is perforated in line with I claim-- the windows, so as not to interfere with the 1. In a railway-car, the combination of the admission of light to the car or with the obcar-body having posts or panels 0 between servation of the surrounding country by the the windows with the posts or panels (1, held occupants of the car. by connecting-pieces b and d at a distance 5 In the accompanying drawings, A reprefrom the posts or panels 0 to form a channel sents a car of suitable construction. B B are on the outer side of the car for a current of its windows; 0, the posts or panels between air traveling in a direction opposite to that in the windows. which the car is moved, substantially as speci- D, is my improved outer wall, placed parallel fied. zoo

2. The combination of the railway-car with of air, and side openings that are aligned with the outer posts or panels, a, and traversing the car-windows B, substantiallyas specified. 1o

sieve e, substantially as described. This specification of my invention signed by 3. A railway-car constructed, substantially me this 26th day of November, 1881. 5 as described, with an outer double wall along WILLIAM A. BOYDEN.

that part of the car which has the windows B, WVitnesses: said double wall furnishing end openings for W1LLY G. ESCHULTZ, the .admissionand escape of counter currents JULIUS I-IULSEN,J r. 1 1 

